Page 2 – CNA Series (rev. 3.00) © HOBART GmbH, Service Training Center
SERVICE TRAINING CENTER
CONTENTS
CNA MODULES ................................................................................................................................... 3
TECHNICAL DATA ............................................................................................................................... 4
MACHINE DOCUMENTS ..................................................................................................................... 4
CONTROLS .......................................................................................................................................... 5
INITIAL OPERATION ........................................................................................................................... 6
WATER CIRCULATION AND HEAT BALANCE .................................................................................. 7
FUNCTIONAL DESCRIPTION ............................................................................................................. 8
OPERATION .................................................................................................................................... 8
TANK FILL ....................................................................................................................................... 8
BOOSTER ....................................................................................................................................... 8
WASH OPERATION ........................................................................................................................ 8
AUTOTIMER .................................................................................................................................... 9
DRAINING ..................................................................................................................................... 10
SAFETY CIRCUIT ......................................................................................................................... 11
DOOR SWITCH ............................................................................................................................. 11
FLOAT SWITCHES ........................................................................................................................ 11
TEMPERATURE SENSORS .......................................................................................................... 11
WASH SYSTEM ................................................................................................................................. 12
WASH PUMPS .............................................................................................................................. 12
WASH ARMS ................................................................................................................................. 13
LATERAL WASH (OPTION) ........................................................................................................... 14
E-PREWASH ................................................................................................................................. 14
RINSE SYSTEM ................................................................................................................................. 15
FINAL RINSE ................................................................................................................................. 15
PRE-RINSE SYSTEM ......................................................................................................................... 16
DUAL RINSE .................................................................................................................................. 16
TRIPLE RINSE .............................................................................................................................. 17
RINSE PUMPS ................................................................................................................................... 18
TANK AND BOOSTER HEATING ...................................................................................................... 18
ELECTRICAL HEATING ................................................................................................................ 18
HEAT RECOVERY .............................................................................................................................. 19
DISPENSERS ..................................................................................................................................... 19
CONTROL PANEL ............................................................................................................................. 19
CONVEYOR SYSTEM ........................................................................................................................ 20
MACHINE CAPACITY .................................................................................................................... 20
TABLE END SWITCH .................................................................................................................... 20
CONVEYOR SAFETY MECHANISM ............................................................................................. 20
TRANSPORT SYSTEM ................................................................................................................. 20
REPLACEMENT OF GEAR MOTOR ............................................................................................. 20
POSITION OF CURTAINS .................................................................................................................. 21
FAULT DISPLAY ................................................................................................................................. 22
STARTING FROM EPROM REVISION 3.00.................................................................................. 22
UP TO EPROM REVISION 2.00 (FOR INFO) .............................................................................. 23
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